S7-200 CPU226与IPC批量数据串行通信

Block Data Serial Communication Between S7-200 CPU226 and IPC

摘要:

介绍了西门子S7-200 PLC CPU226与工控计算机IPC的批量数据串行通信程序设计方法，给出了中断接收方式的通信程序，该程序适用于S7-200系列与IPC构成的主从方式的实时监控系统。

Abstract:

Programming method of block data serial communication of SIEMENS S7-200 PLC CPU226 and Industry Control PC is introduced in detail in this paper.The program of interrupting receive request is presented.It can be applied to real monitoring system,composed